COMPARING TWO KINDS OF BLOOD PRESSURE PILLS: ACEIs and ARBs A Guide for Adults Fast Facts ■ ACEIs and ARBs are two of the many kinds■ Both kinds of pills (ACEIs and ARBs) do agood job of lowering blood pressure. problems. The main difference in side effectsis that ACEIs are more likely than ARBs tocause a dry cough. ■ ACEIs and ARBs do not affect cholesterol What d